From: Oleg Nesterov <oleg@redhat.com>
To: Christian Brauner <christian.brauner@ubuntu.com>
Cc: linux-kernel@vger.kernel.org,
Christian Brauner <christian@brauner.io>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Kees Cook <keescook@chromium.org>,
Sargun Dhillon <sargun@sargun.me>,
Aleksa Sarai <cyphar@cyphar.com>,
linux-kselftest@vger.kernel.org,
Josh Triplett <josh@joshtriplett.org>,
Jens Axboe <axboe@kernel.dk>,
linux-api@vger.kernel.org
Subject: Re: [PATCH 1/4] pidfd: support PIDFD_NONBLOCK in pidfd_open()
Date: Tue, 1 Sep 2020 18:23:10 +0200 [thread overview]
Message-ID: <20200901162309.GB4386@redhat.com> (raw)
In-Reply-To: <20200831134551.1599689-2-christian.brauner@ubuntu.com>
On 08/31, Christian Brauner wrote:
>
> --- /dev/null
> +++ b/include/uapi/linux/pidfd.h
> @@ -0,0 +1,12 @@
> +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
> +
> +#ifndef _UAPI_LINUX_PIDFD_H
> +#define _UAPI_LINUX_PIDFD_H
> +
> +#include <linux/types.h>
> +#include <linux/fcntl.h>
> +
> +/* Flags for pidfd_open(). */
> +#define PIDFD_NONBLOCK O_NONBLOCK
> +
> +#endif /* _UAPI_LINUX_PIDFD_H */
Why? Can't we simply use O_NONBLOCK ?
Oleg.
next prev parent reply other threads:[~2020-09-01 16:23 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-31 13:45 [PATCH 0/4] Support non-blocking pidfds Christian Brauner
2020-08-31 13:45 ` [PATCH 1/4] pidfd: support PIDFD_NONBLOCK in pidfd_open() Christian Brauner
2020-09-01 16:23 ` Oleg Nesterov [this message]
2020-09-01 16:33 ` Christian Brauner
2020-09-01 16:53 ` Oleg Nesterov
2020-08-31 13:45 ` [PATCH 2/4] exit: support non-blocking pidfds Christian Brauner
2020-09-01 16:11 ` Oleg Nesterov
2020-09-01 16:18 ` Christian Brauner
2020-08-31 13:45 ` [PATCH 3/4] tests: port pidfd_wait to kselftest harness Christian Brauner
2020-08-31 13:45 ` [PATCH 4/4] tests: add waitid() tests for non-blocking pidfds Christian Brauner
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